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SMS API
Fast, secure, and easy integrations

Enable developers and engineers to send and receive SMS from the application of their choice, with our easy to integrate SMS API. Receive inbound text messages along with delivery reports through the callback system. Popular functions include: creating lists, lease numbers, setting up keywords, and scheduling messages.

Dedicated Servers

Performance and reliability is something we take very seriously. That’s why our flexible SMS API suite runs on it’s own dedicated server. Messages can be sent quickly since the SMS API servers do not share resources with the Bulk SMS Gateway.

Full Documentation

Step-by-step documentation is available for PHP, Ruby, and .NET. Scroll down to view the libraries below.

.NET SMS API Client

SMS Integrations

Zapier Integration

Product Highlights

Integrations

Our SMS API is designed to easily integrate into any communication process. Plug in our API, by following our step-by-step documentation. If you get stuck, then submit a ticket or send us a live chat message.

Security

To ensure total security and privacy, the SMS API only works over an HTTPS protocol for all requests. All API requests require your API credentials, you will find them once logged into your Account on the API settings page.

Call Backs

The best way to get immediate notification on the events like SMS delivery or incoming messages is to set up callback URLs. We will call this URL immediately after the event occurs and, if the call was unsuccessful, we will retry a few times later.

DLR’s

DLR's are Delivery Level Receipts, which are notifications received from carriers relating to the success or attempted SMS Delivery. Rather than having to poll for a message status, we will deliver DLR’s to your call back URL when we get them.

Shortcodes

Numbers are the Caller ID, or from field that your messages will come from. Although not mandatory for SMS API use, we recommend users to lease their own Dedicated Shortcode to send and receive messages through the API.

Throttle Limits

To provide the best service to all our customers, we limit the number of SMS API calls which can be made by each account to 2 calls per sec. For heavy users we can increase your throttling speed. Contact us to discuss your requirements.